old rollers

A quick learner says:
Please, advise on these old rolls for sliding windows.
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Emily from SWISCO responded:

Hello there!

Our 81-248 roller looks similar to what you show here, though this is designed for patio glass doors. I can't guarantee it will work but look over the specifications and compare them with yours to see what you think. 

A quick learner from Florida says:
Thank you for your answer.
Did you have the chance to compare the measurements?
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Emily from SWISCO responded:

We can't get accurate measurements from photos, unfortunately. You'll need to look over the dimensions for this part and compare them with your old roller to see if you think you can adapt this to your window. 

Profile view of 81-248
Profile view of 81-248

Detail of 81-248
Detail of 81-248

A quick learner from Florida says:
Thank you!
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